Free ink roller M1
Free ink roller, liquid ink conforms to ASTM D-4236
Tip: Stainless steel needle tip
Ball: 0.5mm/0.7mm/0.28mm/0.38mm
Clip: plastic
Ink color : Blue, black, red, green
Proposed packing: 12pcs/dozen box, 864pcs/carton
Advantage: Precise writing smooth to the last drop of ink at any angle, ideal for both office and students.  Large ink volume, extra long writing distance